var bo_ns_id = 0;

function startIeFix(){ 

if(isIE()){ 
document.write('<div id="bo_ns_id_' + bo_ns_id + '"><!-- ');
}
}

function endIeFix(){ 
if(isIE()){ 
document.write('</div>'); 
var theObject = document.getElementById("bo_ns_id_" + bo_ns_id++); 
var theCode = theObject.innerHTML; 
theCode = theCode.substring(4 ,9+theCode.indexOf("</object>")) 
document.write(theCode); }}

function isIE(){ // only for Win IE 6+ // But not in Windows 98, Me, NT 4.0, 2000 
var strBrwsr= navigator.userAgent.toLowerCase(); 
if(strBrwsr.indexOf("msie") > -1 && strBrwsr.indexOf("mac") < 0){ 
if(parseInt(strBrwsr.charAt(strBrwsr.indexOf("msie")+5)) < 6){ 
return false; } 

if(strBrwsr.indexOf("win98") > -1 || strBrwsr.indexOf("win 9x 4.90") > -1 ||strBrwsr.indexOf("winnt4.0") > -1 ||strBrwsr.indexOf("windows nt 5.0") > -1) 
{ 
return false; 
} 
return true; 
}

else{ 
return false; }

}
function addFav(){
    var url      = "http://www.fiamonicni.com";
    var title    = "Jean Fiamoncini - Criação de Websites";
    if (window.sidebar) window.sidebar.addPanel(title, url,"");
    else if(window.opera && window.print){
        var mbm = document.createElement('a');
        mbm.setAttribute('rel','sidebar');
        mbm.setAttribute('href',url);
        mbm.setAttribute('title',title);
        mbm.click();
    }
    else if(document.all){window.external.AddFavorite(url, title);}
}

function validapagina(form)
{
 if(CampoBranco(document.getElementById("nome"))==true)
 {
 alert("Por favor, informe seu nome!");
 document.getElementById("nome").focus();
 return false;
 }
 if(CampoBranco(document.getElementById("fone"))==true)
 {
 alert("Por favor, informe seu telefone!");
 document.getElementById("fone").focus();
 return false;
 }
 if(CampoBranco(document.getElementById("email"))==true)
 {
 alert("Por favor, informe seu e-mail");
 document.getElementById("email").focus();
 return false;
 }
}
//Verifica se o campo é vazio
function CampoBranco(campo)
{
 if (campo.value == "")
    return true;
 else
    return false;
}